Iou is a peer to peer project where they provide a good bond during a full time of the project.so thats why the have huge amount of people
People love something new and are ready to support it. For this reason the p2p system is also collected by a huge number of users and forms large community.
Yeah, indeed. People are really love with something unique and it seems IOU is the best way to vent their love to the project by investing a lot of bitcoins and ethereums.